Fireplace insert



FIG. 1 is a right front perspective view;

FIG. 2 is a left front perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a rear perspective view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a side view thereof; and,

FIG. 8 is a top view thereof. 

The ornamental design for a fireplace insert, as shown and described. 